/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Corpo */
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f8;
    color: #333;
    line-height: 1.6;
    padding: 20px;
  
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
  }
  
  /* Header e nav */
  header {
    background-color: #005f73;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    width: 100%;
  }
  
  nav.navi {
    display: flex;
    justify-content: center;
    gap: 15px;
  }
  
  nav.navi a {
    background-color: #0a9396;
    color: white;
    padding: 10px 18px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
  }
  
  nav.navi a:hover,
  nav.navi a:focus {
    background-color: #94d2bd;
    color: #003d33;
    outline: none;
  }
  
  /* Main content */
  main.menu {
    flex: 3;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    min-width: 280px;
  }
  
  main.menu article + article {
    margin-top: 30px;
  }
  
  /* Textos */
  h1, h2, h3, h4 {
    margin-bottom: 15px;
  }
  
  p {
    margin-bottom: 20px;
  }
  
  /* Aside */
  aside {
    flex: 1;
    background-color: #ee9b00;
    padding: 20px;
    border-radius: 8px;
    color: white;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    min-width: 220px;
  }
  
  aside ul {
    list-style: none;
    padding-left: 0;
  }
  
  aside ul li {
    margin-bottom: 10px;
  }
  
  /* Section Links úteis */
  section.sobre {
    margin-top: 30px;
    background-color: #005f73;
    color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
    min-width: 280px;
    width: 100%;
  }
  
  section.sobre ul {
    list-style: none;
    padding-left: 0;
  }
  
  section.sobre ul li {
    margin-bottom: 10px;
  }
  
  section.sobre a {
    color: #94d2bd;
    text-decoration: none;
  }
  
  section.sobre a:hover,
  section.sobre a:focus {
    text-decoration: underline;
  }
  
  /* Footer */
  footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    color: #555;
    width: 100%;
  }
  
  /* Responsividade */
  @media (max-width: 768px) {
    body {
      flex-direction: column;
    }
  
    main.menu, aside, section.sobre {
      min-width: 100%;
      margin-right: 0;
    }
  }
  .tech {
      text-align: center;
      color: white;
  }
  img {
    max-width: 600px;
    max-height: 400px;
    height: auto;
  }
  .form-container {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 350px;
}

.form-container h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

.form-container label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  color: #555;
}

.form-container input {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
  transition: border 0.3s;
}

.form-container input:focus {
  border-color: #007bff;
  outline: none;
}

.form-container button {
  width: 100%;
  padding: 12px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s;
}

.form-container button:hover {
  background: #0056b3;
}